Dehorning implement



(No Model.)

T. W. TYLER.

DEHORNING'IMPLEMENT.

No. 500,443. Patented June 27, 1893.

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UNITED STATES PATENT OFFICE.

THOMAS W. TYLER, OF TUSOOLA, ILLINOIS.

DEHORNING IMPLEMENT.

SIECIFICATION forming part of Letters Patent No. 500,443, dated June 27,1893.

Application filed February 25, 1893. Serial No. 463,677- (No model.)

T0 at whom it may concern:

- Be it known that I, THOMAS W. TYLER, of Tuscola, in the county ofDouglas and State of Illinois, have invented certain new and usefulImprovements in Dehorning Implements; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it pertains tomake and use it, reference being had to the accompanying draw ings,which form part of this specification.

My invention relates to improvements in dehorning implements, and whichis equally as well adapted to be used for cutting pipes, rods and boltsand other similar devices, and which will be fully described hereinafterand particularly pointed out in the claims.

The object of my invention is to provide an implement having severalWheels forming cutters which have operating parts so constructed thatthe said wheels are simultaneously moved toward a common center, wherebyeach of the wheels at all times assumes the same relative position toall of the other wheels and to the said common center. In implementsheretofore constructed for this purpose, they have usually been composedof several wheels all of which have been rigidly journaled and immovabletoward each other, while a single wheel is movable toward the saidrigidly journaled wheels. Owing to this construction the movable wheelis of course farther from the rigidly journaled wheel when the implementis open to receive a large object, and this requires a greater sweep tocomplete the cutting circle around the object than is the case where thewheels are brought simultaneously together and at all times assume thesame relative relation to each other as in my invention, as will bereadily understood.

In the accompanying drawingsE-Figure 1, is an elevation of my invention,one of the plates being removed to show the operating construction. Fig.2, is a central longitudinal sectional view showing the operating parts.Fig. 3, is a detached sectional view of the swiveled ends of theoperating rods.

Referring now to the drawings, A indicates a tubular handle to the outerend of which is suitably connected, preferably by screws, the two platesB which are preferably though not necessarily made of the shape hereshown. An endwise moving rod 0 has its upper end moving in the lower endof the said tubular handle A, and its lower end guided by the laterallyprojecting lugs D extending from the inner face of one of the plates 13.A rod G has its lower end provided with a socket G which receives theupper end of the rod 0 and the two rods swiveled together by means of ascrew I passing through said socket G into an annular groove a formed inthe upper end of the rod 0. A handle K is attached to the upper endv ofthis screw rod G by means of which it is turned for the purpose offorcing it up within the tube or withdrawing it therefrom, fora purposeto be presently described.

A wheel cutter E is journaled upon the lower or outer end of the rod Oand two levers N are pivoted to the plate B at opposite sides of the rod0, as clearly shown in the figures of the drawings, and these leverscarry the cutting wheels Q which are held in the relation shown to thewheel E journaled upon the lower or outer end of the rod 0. The innerends of the levers N are provided with pins which project through slotsL made in plate M extending from the said rod 0, and these slots formcams for the purpose of forcing the inner ends of the levers N in andout as the rod 0 is moved as will be readily understood.

I preferably though not necessarily place rollers upon the pins P whichmove in the slots L for the purpose of reducing friction.

Made transversely through the plates B, as shown in Fig. 1, is thecircular opening J through which the object to be operated upon by thecutters is passed and the cutters are arranged around the center of thesaid opening so that they move simultaneously and equally toward thesaid center when the operating rod is turned. However in some instancesit may be desirable to have an opening S as shown in Fig. 2, by cuttingaway the ends of the plates and this opening S extends into the openingJ, whereby the object to be cut instead of being passed over the endinto the said opening, the implement can be simply moved up to theobject and passed through the cut away portion S into the said openingwhich the cutter wheels surround.

The operation of my invention is as follows: The rod G is turned in onedirection by means of the handle K which forces the rod Gdownward. andwith it the rod 0 which carries the slotted portion M forming cams, andthese cam surfaces engaging the pins upon the lower end of the lever N,force their upper or outer ends inward simultaneous with the downwardmovement of the said rod 0, which itself carries the cutter E. Owing tothis construction all of the cutter wheels move simultaneously toward acommon center and are at all times equidistant apart, so that a slightoscillation of the implement back and forth will cause the cutter tomake a continuous cutting circle around the object to be cut and severit very quickly with but a very slight movement, as is clearly shown bythe drawlugs.

I do not limit myself to a screw threaded rod for moving the rod Gendwise for other mechanical means may be used for this purpose withoutdeparting from the spirit of my invention. So also a greater number ofcutters may be used if desired the main object being to have all thewheels move simultaneously toward a common center and equally so thatthey are equidistant apart at all points of their motion toward theobject to be cut, in contradistinction to having a series of rigidlyjournaled wheels as is common and a single movable wheel heretoforereferred to.

While I here show the inner end of the lever N directly connected withthe rod 0 through the cam surface, yet I do not desire to limit myselfto this construction, for the said levers may be operated by the rod 0through intermediate connections, and the same main idea of my inventioncarried out namely, the simultaneous movement of all of the cutterstoward a common center.

Having thus described my invention, what I claim, and desire to secureby Letters Patcut, is-

1. In an implement of the character described, the combination of ahandle, levers carrying cutters, and an endwise moving opcrating rodcarrying a cutter, the said levers being operatively connected with thesaid rod, whereby they all move equally toward a common center,substantially as described.

2. In an implement of the character described, an endwise movingoperating rod, levers pivoted between their ends carrying outters beyondthe outer end of the operating rod, a cutter upon the outer end of thesaid rod, and an operating connection between the said rod and levers,substantially as described.

3. An implement of the character described, comprising an endwise movingoperating handle, an operating rod carrying cam surfaces, levers pivotedbetween their ends carrying cutters at their outer ends, the oppositeends of the said levers in engagement with the said surfaces, and anoperating cutter upon the said rod, substantially as set forth.

4:. An implement of the character described, comprising an endwisemoving operatingrod, levers having their outer ends bent inward andcarrying cutters, the operating rod carrying a cutter upon the outer endinside of the said lever cutters, and an operating connection betweenthe opposite end of said levers and the endwise moving rod,substantially as described.

5. An implement of the character described, comprising an endwise movingrod carrying arms having angular slots, levers pivoted between theirends carrying cutters at one end, the opposite ends of the said leversmoving in the said slots, the outer end of the operating rod carrying acutter, the parts operating substantially as specified.

6. An implement of the character described, comprising a tubular handle,an edwise moving rod therein, a cutter upon the outer end of the saidrod, levers carrying cutters at their outer ends beyond the said rodcutter, and an operating connection between the said levers, and thesaid endwise moving rod,sub-

' stantially as specified.

7. An implement of the character described, comprising a tubular handle,plates secured to one end thereof, levers pivoted between their ends andbetween said plates, and carrying cutters at their outer ends, anendwise moving rod within the said tubular handle carrying a cutter, andan operating connection between the said levers and the said endwisemoving rod, substantially as set forth.

8. An implement of the character described, comprising a tubular handle,carrying the screw threaded nut or block at one end, a screw threadedrod passing through the said block with its handle outside of the saidtubular portion, levers pivoted between their ends carrying cutters atone end, the opposite ends of said levers being in operative connectionwith the endwise movingrod, and the cutter upon the end of the said rod,substantially as shown.

9. An implement of the character described, comprising a tubular handle,plates secured to the outer ends thereof, levers carrying outters anendwise moving rod guided at its outer end by the said plate, its innerend moving in the inner end of the said tube, an endwise moving rodwithin the tube, having a screw threaded portion at one end and itsopposite end swiveled to the said rod carrying a cutter at its outerend, and an operating connection between the said levers and thelendwise moving rod, substantially as set fort 10. In an implement ofthe character described, the combination of a tubular handle, an endwisemoving rod carrying cam sur- In testimony whereof I affix my signaturein presence of two witnesses.

THOMAS W. TYLER.

Witnesses:

ALLEN S. PATTISON, ROLAND A. FITZGERALD.

